Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Raquel de Leon Anel-Tiangco, MD

Individual provider Internal Medicine Physician · NPI 1740462803

Raquel de Leon Anel-Tiangco, MD is an Endocrinology in Sioux Falls, South Dakota. Qualified in 2003, 23 years ago. Practices with Avera McKennan, a 962-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania and South Dakota.

Years since qualifying
23
Licensed in
PA, SD
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1315 S Cliff Ave Ste 3000
Sioux Falls, SD 57105-1061
Phone: (605) 322-7600
Fax: (605) 322-7601
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 8278 (SD)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD435941 (PA)

Record details

NPI number1740462803
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 30, 2007
Last updated in NPPESOctober 11, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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